A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5835-01-426-6573
NSN 6650-01-296-0883
NSN 6645-01-547-8490
NSN 6650-00-144-4555
NSN 5950-00-211-3995
NSN 7035-00-703-3535
NSN 5935-01-462-2690
NSN 6320-01-547-2743
NSN 5835-01-391-4556
NSN 7035-01-111-7206
NSN 5945-00-379-6745
NSN 6610-01-273-2075